Graduate student      Weihong Zhu
Post Doctoral Fellow René van Hout
Project supervisors

Prof. Joseph Katz

Undergraduate student    Brent Golden
Design and Technical support Yury Ronzhes
Stephen King
 
Outline


The aim of the experiments carried out in the windtunnel is to get a better understanding of the entrainment of the pollen grains in the shear layer just above the corn canopy, shortly after initial release from the anther.


Facility

 


Wind-tunnel model canopy and experimental setup (not to scale)

 

 

Configuration of model canopy (Top view, to scale)

Publications

Zhu, W., "PIV measurements of flow structure and turbulence within and above a corn canopy and a wind tunnel model canopy". Ph.D. dissertation, Johns Hopkins University, May, 2006.

Zhu, W., van Hout, R., Katz, J., "On the flow structure and turbulence during sweep and ejection events in a model canopy". Boundary-Layer Meteorology, Volume 124, Number 2, pp. 205-233, August 2007.

Zhu, W., van Hout, R., Luznik, L., Kang, H. S., Katz, J., Meneveau, C., "A comparison of PIV measurements of canopy turbulence performed in the field and in a wind tunnel model". Experiments in Fluids, Volume 41, Issue 2, pp. 309-318, August 2006.

Zhu, W., van Hout, R., Katz, J., "A comparison of methods to estimate the dissipation rate in a wind tunnel canopy flow model". 17th Symposium on Boundary Layers and Turbulence, San Diego, CA, May 22-26, 2006.

Department of Mechanical Engineering, The Johns Hopkins University
200 Latrobe Hall, 3400 N. Charles Street, Baltimore, MD 21218
Tel: (410) 516 5427; Fax: (410) 516 4316
lefd@titan.me.jhu.edu